package org.csmzxy.class2333;

public class maopao {

        public static void main(String[] args){
            int[] arr=new int[3];
            System.out.println("arr[0]="+arr[0]);
            System.out.println("arr[1]="+arr[1]);
            System.out.println("arr[2]="+arr[2]);
            System.out.println("该数组的长度是："+arr.length);
        }
}
